class Vue {
  constructor(option) {
    this.el = option.el;
    this.$data = option.data;
    this.$methods = option.methods;
    this.$mounted = option.mounted;
    
    new Observe(this, '$data')
    new Driver(this, '$data')
    new Compiler(this.el, this)
  }
}





// js 操作dom 元素事件

